27828235

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 9496565

約数列:

[1, 5, 17, 31, 59, 85, 155, 179, 295, 527, 895, 1003, 1829, 2635, 3043, 5015, 5549, 9145, 10561, 15215, 27745, 31093, 52805, 94333, 155465, 179537, 327391, 471665, 897685, 1636955, 5565647, 27828235]

約数ペア:

[(1, 27828235), (5, 5565647), (17, 1636955), (31, 897685), (59, 471665), (85, 327391), (155, 179537), (179, 155465), (295, 94333), (527, 52805), (895, 31093), (1003, 27745), (1829, 15215), (2635, 10561), (3043, 9145), (5015, 5549)]